75results about How to "Fully fluidized" patented technology

The invention provides a system for waste water treatment by utilizing fluidized state partition iron powder. The system comprises a reactor, a separating device and an iron powder cleaning device. A mud scraping area, a preliminary reaction area, a primary enhanced reaction area, a secondary enhanced reaction area and a solid-liquid separation area which are communicated in sequence are arranged in the reactor from bottom to top. A water inlet of the mud scraping area is communicated with a waste water inlet pipe, the solid-liquid separation area is communicated with the separating device, the separating device is further communicated with a waste water outlet and an iron powder cleaning device through pipes respectively, and the iron powder cleaning device is further communicated with the secondary enhanced reaction area, a water outlet of the mud scraping area and the waste water inlet pipe through pipes respectively. According to the system, uniform mixing, precipitation and recycling integrated reaction separation of the iron powder and the waste water are implemented, shortcomings that an iron material fixed bed is easily subjected to passivation hardening and iron granules in a conventional micron iron treatment method are unevenly distributed and lost easily are overcome, and shortcomings that the cost of adopting nano-iron is too high and it is difficult to recycle the nano-iron are overcome.

The present invention relates to an integrative composite structure of marine internal and external circulation three-phase biological fluidized beds. The integrative composite structure is composed of an external circulation three-phase biological fluidized bed (TBFB), an inner circulation three-phase biological fluidized bed (also called airlift inner circulation suspended filler fluidized bed, ACFB), suspended fillers and an air pump, wherein the external circulation three-phase biological fluidized bed is composed of a main bed and an auxiliary bed connected with the main bed by virtue of an upper communicating pipe and a lower communicating pipe, and a sewage inlet is arranged on the bottom of the main bed; the inner circulation three-phase biological fluidized bed comprises a main bed and an auxiliary bed which are embedded together, the main bed is embedded in the auxiliary bed, a settling bed is arranged above the auxiliary bed or a settling bar is arranged in the auxiliary bed to serve as a water outlet, a solid-liquid separating hopper is arranged below the auxiliary bed, the main beds of the outer circulation three-phase biological fluidized bed and the inner circulation three-phase biological fluidized bed are connected with the air pump to be supplied with power by the air pump, the auxiliary beds are combined into a whole, and the suspended fillers containing biological species are filled in the structure. The integrative composite structure provided by the invention has the advantages of being compact in structure, high in efficiency, low in energy consumption and capable of being industrialized, having nitrification and denitrification functions and the like.

The invention relates to a powder supplying system. The powder supplying system comprises a fluidization system, a buffer bin and a mixing chamber; the fluidization system comprises two or more stages of fluidization combination devices and an air storage tank; the two or more stages of fluidization combination devices are longitudinally and fixedly arranged on the outer wall of the buffer bin at intervals, and each stage of fluidization combination device is connected with an air outlet of the air storage tank sequentially through a flow meter and a flow adjusting valve; an air inlet of the air storage tank is connected with external compressed air through a pressure reduction valve and a drain outlet of the air storage tank is connected with an external sewage storage device through a sewage draining valve; and a discharging opening of the buffer bin is connected with the mixing chamber. It can be ensured that power continuously and stably enters an external conveying pipeline.

The invention discloses a sewage treating system with a compact structure and low operation cost for a micro-aerobic expanded granular sludge bed-steel slag biological filter pond. According to the sewage treatment system, the problems of great occupied area, high aeration energy consumption and high yield of residual sludge in an aerobic activated sludge method are solved. The sewage treating system is formed by combining a micro-aerobic expanded granular sludge bed reactor and a steel slag biological filter pond in series, wherein the micro-aerobic expanded granular sludge bed reactor adopts an oxygenating mode combining jet flow air suction with reflow water external aeration. Inflowing sewage enters the micro-aerobic expanded granular sludge bed reactor firstly to remove pollutants such as COD (Chemical Oxygen Demand), ammonia nitrogen and total nitrogen and then enters a biological aerated filter pond taking steel slag as filler to remove total phosphorus and further improve the quality of effluent. According to the sewage treating system, small area is occupied, energy consumption is saved and the yield of sludge is low; and the sewage treating system is suitable for treating municipal sewage.

The invention discloses a device and a method for carrying out chemical energy storage / release by utilizing carbide slag. The device comprises a circulating fluidized bed reactor, a steam particle separator, a water pump, an electric heater and an atomizing nozzle, wherein an electric heating plate and a heat exchange tube are arranged in the circulating fluidized bed reactor, a gas distribution plate is arranged at the bottom of the circulating fluidized bed reactor, and a fluidization gas inlet of the circulating fluidized bed reactor is formed in the bottom of the circulating fluidized bed reactor; a circulating solid inlet and a feeding hole are respectively formed in the side wall of the bottom of the circulating fluidized bed reactor; the feeding hole is used for conveying carbide slag powder; an outlet of the water pump is sequentially connected with the atomizing nozzle, the electric heater and the fluidized gas inlet, a gas outlet of the circulating fluidized bed reactor is connected with an inlet of the steam particle separator, and a solid phase outlet of the steam particle separator is connected with a circulating solid inlet of the circulating fluidized bed reactor. The two gaseous substances can be prevented from being adopted in the energy storage / release process, the gas port can be prevented from being blocked, and the technological process is simplified.

The invention provides a fluid bed reactor used for gasoline desulfuration, which belongs to the field of petrochemical industry and is characterized in that an automatic back wash filter, a dust reduction machine, a catalyst bed, a backflow prevention distributor and an impact prevention distributor are arranged in a reactor, and the reactor is externally connected with a reductor and an acceptor. By utilizing the reactor, the filtering performance of the filter can be automatically and efficiently restored in time, thereby reducing the labor strength; catalyst particles are prevented from flowing back below the reactor, thereby enabling gas to be evenly distributed on the section of the whole reactor; the dust content of the gas is effectively reduced, thereby greatly reducing the load of the automatic back wash filter, effectively prolonging the operating period of the automatic back wash filter and reducing equipment investments and maintenance charges; the influent gas is prevented from impacting the backflow prevention distributor, thereby promoting the even distribution of the gas and improving the benefit of the reactor; and moreover, reaction gas and a catalyst flow out of different paths after entering the reactor through different paths, thereby realizing high-treatment capacity continuous operation.

The invention discloses a gas distribution plate of a fluidized bed reactor. It has a gas distribution plate, with air inlet holes on the gas distribution plate, and a hood is welded on each air inlet hole of the gas distribution plate, and two or more circular and square injection holes are opened on the hood. Or a long jet slit, its size parameter is: the equivalent diameter D of the jet hole on the hood or the long jet slit i and distribution plate inlet hole diameter D 0 Ratio D i / D 0 =0.2~0.6, the angle β=0°~75° between the injection direction and the horizontal line, a circular, square or conical leak-proof weir is arranged at the inside of the wind cap and the upper end of the air inlet hole. Advantages of the present invention: 1) the The pressure drop on the distribution plate of the invention is transferred to the injection hole, ensuring that large particles are not deposited on the plate, and the anti-sedimentation ability is enhanced; 2) A layer of gas film is formed on the surface of the distribution plate of the fluidized bed, so that the entire bed material is lifted, thereby fully Fluidization; 3) The operation stability of the fluidized bed is increased, and the production cycle of the fluidized bed is improved; 4) The cleaning and modification of the wind cap are convenient, and the flexibility is enhanced.

The invention relates to a coal powder conveying device which comprises a coal grinder, wherein a raw coal inlet is formed in the coal grinder; an outlet of the coal grinder is connected with an inlet of a coal powder filter; an outlet positioned in the lower side of the coal powder filter is connected with a spiral feeder, a normal pressure cabin and a lock bucket through pipelines in sequence from top to bottom; an outlet pipeline of the lock bucket is communicated with a carrier gas pipeline and is connected with an inlet of a feeding cabin above the coal powder filter through the carrier gas pipeline; an outlet in the bottom of the feeding cabin is connected with a mechanical feeding device below the feeding cabin; an outlet positioned in the lower side of the mechanical feeding device is connected with a gas coning part and a burning nozzle of a gasification furnace through pipelines in sequence from top to bottom, and coal powder is sprayed into the gasification furnace through the burning nozzle; the burning nozzle of the gasification furnace is lower than the feeding cabin, and the lock bucket is arranged below the burning nozzle of the gasification furnace. The coal powder conveying device has the characteristics of stability in coal powder conveying, accuracy in metering, energy conservation, consumption reduction and the like, and is capable of reducing carrier gas entering the furnace.

The invention discloses a sprayed concrete material conveying and mixing system and belongs to the technical field of engineering construction mechanical equipment.The sprayed concrete material conveying and mixing system is composed of a sprayed concrete tank car, a n accelerator conveying machine, an aggregate sprayer, a cement spray blower and a mixer.The mixer is composed of an aggregate feed pipe, a cement feed pipe and a discharge pipe.The aggregate feed pipe is communicated with the discharge pipe, and the cement feed pipe is communicated with the aggregate feed pipe.The accelerator conveying machine is connected with the aggregate sprayer, the aggregate sprayer is connected with the aggregate feed pipe of the mixer, the cement spray blower is connected with the cement feed pipe of the mixer, and the discharge pipe of the mixer is connected with the sprayed concrete tank car.The sprayed concrete material conveying and mixing system is reasonable in structural design, labor is reduced, working efficiency is improved, enterprise cost is reduced, and high application and popularization value is achieved.

The invention provides a gas inlet of a pressure container. The gas inlet is located in a barrel or a shell cover below a distribution plate on the lower portion in a shell of the vertical pressure container, and circumferential openings are formed in the distribution plate. The gas inlet of the pressure container comprises at least two tangential penetration type oblique openings formed in axial symmetry along the shell. The pressure container is provided with at least two gas inlets formed in axial symmetry in shape and position, gas inflow connecting pipes are conveniently installed, the flow state of process gas entering the shell is improved, the flow speed is reduced, pressure is balanced, impact vibration is avoided, then the process gas flows out through the radial openings in the gas flow distribution plate, materials from the upper portion of a reactor to which the pressure container belongs form a balanced fluidized bed, and the capacity large scale is achieved. The invention further discloses the pressure container. Gas flow balance, particle product fluidity and internal structure fatigue resistance can be considered at the same time, the advantages of being high in anti-deposition capacity, stable in production and the like are achieved, the spatial arrangement is safer and more scientific, and the service life of the pressure container can be prolonged.